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Avoid divide by zero errors 

llvm-svn: 6738
This commit is contained in:
Chris Lattner 2003-06-17 15:07:20 +00:00
parent 0f55690855
commit 702a42bb8a
1 changed files with 18 additions and 14 deletions
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32
llvm/lib/Analysis/AliasAnalysisCounter.cpp
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@ -32,23 +32,27 @@ namespace {
<< "\n===== Alias Analysis Counter Report =====\n"
<< " Analysis counted: " << Name << "\n"
<< " " << AASum << " Total Alias Queries Performed\n";
printLine("no alias", No, AASum);
printLine("may alias", May, AASum);
printLine("must alias", Must, AASum);
std::cerr
<< " Alias Analysis Counter Summary: " << No*100/AASum << "%/"
<< May*100/AASum << "%/" << Must*100/AASum<<"%\n\n";
if (AASum) {
printLine("no alias", No, AASum);
printLine("may alias", May, AASum);
printLine("must alias", Must, AASum);
std::cerr
<< " Alias Analysis Counter Summary: " << No*100/AASum << "%/"
<< May*100/AASum << "%/" << Must*100/AASum<<"%\n\n";
}
std::cerr
<< " " << MRSum << " Total Mod/Ref Queries Performed\n";
printLine("no mod/ref", NoMR, MRSum);
printLine("ref", JustRef, MRSum);
printLine("mod", JustMod, MRSum);
printLine("mod/ref", MR, MRSum);
std::cerr
<< " Mod/Ref Analysis Counter Summary: " << NoMR*100/MRSum<< "%/"
<< JustRef*100/MRSum << "%/" << JustMod*100/MRSum << "%/"
<< MR*100/MRSum <<"%\n\n";
if (MRSum) {
printLine("no mod/ref", NoMR, MRSum);
printLine("ref", JustRef, MRSum);
printLine("mod", JustMod, MRSum);
printLine("mod/ref", MR, MRSum);
std::cerr
<< " Mod/Ref Analysis Counter Summary: " << NoMR*100/MRSum<< "%/"
<< JustRef*100/MRSum << "%/" << JustMod*100/MRSum << "%/"
<< MR*100/MRSum <<"%\n\n";
}
}
}